I think maybe the answet you are looking for is wounded knee. There was a massacre there in 1890 and then in 1973 multiple members of the Antive american movement occupied the site for more than 70 days to protest the condition of reservation and the treatment of native americans.
<span>Diversity helped make people more tolerant because every separate group accepted each other;
All helped flourish the colony and create new inventions</span>
